Note that this problem uses the word solve when it needs to say EVALUATE.
Also the required code to pass the tests shouldn't be available by COPY-AND-PASTE from Test Suite!
Replace NaNs with the number that appears to its left in the row.
Insert zeros into vector
MATCH THE STRINGS (2 CHAR) very easy
Divide by 4
MATLAB Basic: rounding III
Delete x value in given vector y.
Sum positive elements of matrix.
Display positive elements of matrix.
Find scalar product of two polynomials a and b, given as vector array.
Replace x value into y value in string text.
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